IPSec process and NAT traversal in IPSec

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Accepted Answer

IPSec is a protocol suite used to secure internet communications. NAT traversal allows IPSec to work with network address translation.

IPSec is a protocol suite that provides secure communication over IP networks.
It uses encryption and authentication to ensure the confidentiality and integrity of data.
NAT traversal is a technique that allows IPSec to work with network address translation.
NAT can modify IP addresses and ports, which can cause issues for IPSec.
NAT traversal techniques like UDP encapsulation or NAT-T help IPSec to bypass NAT devices.
For example, IPSec can encapsulate its packets within UDP packets to traverse NAT devices.
NAT traversal is important for IPSec to establish secure connections across networks.

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